<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>订单管理</el-breadcrumb-item>
      <el-breadcrumb-item>订单列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索区域 -->
      <el-row>
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="queryInfo.query"
                    width="130px">
            <el-button slot="append"
                       icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
      </el-row>
      <!-- 订单列表 -->
      <el-table :data="ordersList"
                border
                stripe>
        <el-table-column type="index"
                         label="#">
        </el-table-column>
        <el-table-column label="订单编号"
                         prop="order_number"></el-table-column>
        <el-table-column label="订单价格"
                         prop="order_price"
                         width="90px"></el-table-column>
        <el-table-column label="是否付款"
                         prop="order_pay"
                         width="90px">
          <template slot-scope="scope">
            <el-tag type="danger"
                    v-if="scope.row.order_pay === '0'">未付款</el-tag>
            <el-tag type="success"
                    v-else>已付款</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="是否发货"
                         prop="is_send"
                         width="90px"></el-table-column>
        <el-table-column label="下单时间"
                         prop="create_time"
                         width="180px">
          <template slot-scope="scope">
            {{scope.row.create_time | dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作"
                         width="140px">
          <template slot-scope="scope">
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini"
                       @click="showBox(scope.row.order_id)"></el-button>
            <el-button type="success"
                       icon="el-icon-location-outline"
                       size="mini"
                       @click="showProgressBox(scope.row.order_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[5, 10, 15, 30]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>
    </el-card>

    <!-- 修改地址对话框 -->
    <el-dialog title="修改地址"
               :visible.sync="addressDialogVisible"
               width="50%"
               @close="addressDialogClosed">
      <span>
        <el-form :model="editAddressForm"
                 :rules="rules"
                 ref="editAddressFormRef"
                 label-width="100px">
          <el-form-item label="省市区/县"
                        prop="address1">
            <el-cascader v-model="selectedKeys"
                         :options="cityData"
                         :props="{ expandTrigger: 'hover' }"
                         @change="handleChange">
            </el-cascader>
          </el-form-item>
          <el-form-item label="详细地址"
                        prop="address2">
            <el-input v-model="editAddressForm.address2"></el-input>
          </el-form-item>
        </el-form>
      </span>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="addressDialogVisible = false">取 消</el-button>
        <el-button type="primary"
                   @click="addressDialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 展示物流进度的对话框 -->
    <el-dialog title="物流进度"
               :visible.sync="progressVisible"
               width="50%">
      <el-timeline>
        <el-timeline-item v-for="(activity, index) in progressInfo"
                          :key="index"
                          :timestamp="activity.time">
          {{activity.context}}
        </el-timeline-item>
      </el-timeline>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 请求参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      // 订单数据列表
      ordersList: [],
      // 数据总条数
      total: 0,
      // 控制修改地址对话框的显示与隐藏
      addressDialogVisible: false,

      // 修改地址的表单数据对象
      editAddressForm: {},
      // 表单验证规则
      rules: {
        address1: [
          { required: true, message: '请选择', trigger: 'blur' }
        ],
        address2: [
          { required: true, message: '请输入详细地址', trigger: 'blur' }
        ]
      },
      // 省市区/县级联数据
      cityData: {
        label: '',
        value: '',
        children: ''
      },
      selectedKeys: [],
      // 控制物流进度对话框的显示与隐藏
      progressVisible: false,
      progressInfo: []
    }
  },
  created() {
    this.getOrderList()
  },
  methods: {
    // 获取订单数据
    async getOrderList() {
      const { data: res } = await this.$http.get('orders', {
        params: this.queryInfo
      })
      if (res.meta.status != 200) {
        return this.$message.error('获取订单数据失败！')
      }
      this.ordersList = res.data.goods
      this.total = res.data.total
    },
    // 监听 pagesize 的改变
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getOrderList()
    },
    // 监听 pagenum 的改变
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getOrderList()
    },
    // 展示修改地址对话框
    showBox() {
      this.addressDialogVisible = true
    },
    // 监听 修改地址对话框的关闭处理事件
    addressDialogClosed() {
      this.$refs.editAddressFormRef.resetFields()
    },
    // 级联选择器选中发生改变时 触发该函数
    handleChange() {
      console.log(this.selectedKeys)
    },
    // 展示物流进度对话框
    async showProgressBox() {
      this.progressVisible = true
      // 获取物流进度信息
      const { data: res } = await this.$http.get(`/kuaidi/804909574412544580`)
      if (res.meta.status != 200) {
        return this.$message.error('获取物流信息失败！')
      }
      this.progressInfo = res.data
      console.log(res.data)
    }
  }
};
</script>

<style lang='less' scoped>
.el-cascader {
  width: 100%;
}
</style>
